CVE-2015-0837

The mpi_powm function in Libgcrypt before 1.6.3 and GnuPG before 1.4.19 allows attackers to obtain sensitive information by leveraging timing differences when accessing a pre-computed table during modular exponentiation, related to a "Last-Level Cache Side-Channel Attack."
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
debianCNA
---
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 66%
VendorProductVersion
gnupggnupg
𝑥
< 1.4.19
gnupglibgcrypt
𝑥
< 1.6.3
debiandebian_linux
7.0
debiandebian_linux
8.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libgcrypt20
bullseye
1.8.7-6
fixed
bookworm
1.10.1-3
fixed
sid
1.11.0-6
fixed
trixie
1.11.0-6
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
gnupg
utopic
Fixed 1.4.16-1.2ubuntu1.2
released
trusty
Fixed 1.4.16-1ubuntu2.3
released
precise
Fixed 1.4.11-3ubuntu2.9
released
lucid
Fixed 1.4.10-2ubuntu1.8
released
libgcrypt11
utopic
Fixed 1.5.4-2ubuntu1.1
released
trusty
Fixed 1.5.3-2ubuntu4.2
released
precise
Fixed 1.5.0-3ubuntu0.4
released
lucid
Fixed 1.4.4-5ubuntu2.4
released
libgcrypt20
utopic
Fixed 1.6.1-2ubuntu1.14.10.1
released
trusty
Fixed 1.6.1-2ubuntu1.14.04.1
released
precise
dne
lucid
dne
Common Weakness Enumeration
References
http://www.debian.org/security/2015/dsa-3184
http://www.debian.org/security/2015/dsa-3185
https://ieeexplore.ieee.org/document/7163050
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.html
http://www.debian.org/security/2015/dsa-3184
http://www.debian.org/security/2015/dsa-3185
https://ieeexplore.ieee.org/document/7163050
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.html